55909284480 has 1792 divisors, whose sum is σ = 260074540800. Its totient is φ = 11179524096.

The previous prime is 55909284451. The next prime is 55909284503. The reversal of 55909284480 is 8448290955.

It is a happy number.

55909284480 is a `hidden beast` number, since 5 + 590 + 9 + 2 + 8 + 4 + 48 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1054892134 + ... + 1054892186.

Almost surely, 2^55909284480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55909284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130037270400).

55909284480 is an abundant number, since it is smaller than the sum of its proper divisors (204165256320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55909284480 is a wasteful number, since it uses less digits than its factorization.

55909284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 55909284480 in words is "fifty-five billion, nine hundred nine million, two hundred eighty-four thousand, four hundred eighty".